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path: root/drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c61
1 files changed, 32 insertions, 29 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c
index 614f022d1cff..74e465ba158d 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c
@@ -24,7 +24,7 @@
#include "link_enc_cfg.h"
#include "resource.h"
-#include "dc_link_dp.h"
+#include "link.h"
#define DC_LOGGER dc->ctx->logger
@@ -48,7 +48,7 @@ static bool is_dig_link_enc_stream(struct dc_stream_state *stream)
/* DIGs do not support DP2.0 streams with 128b/132b encoding. */
struct dc_link_settings link_settings = {0};
- decide_link_settings(stream, &link_settings);
+ link_decide_link_settings(stream, &link_settings);
if ((link_settings.link_rate >= LINK_RATE_LOW) &&
link_settings.link_rate <= LINK_RATE_HIGH3) {
is_dig_stream = true;
@@ -305,15 +305,17 @@ void link_enc_cfg_link_encs_assign(
for (i = 0; i < stream_count; i++) {
struct dc_stream_state *stream = streams[i];
+ /* skip it if the link is mappable endpoint. */
+ if (stream->link->is_dig_mapping_flexible)
+ continue;
+
/* Skip stream if not supported by DIG link encoder. */
if (!is_dig_link_enc_stream(stream))
continue;
/* Physical endpoints have a fixed mapping to DIG link encoders. */
- if (!stream->link->is_dig_mapping_flexible) {
- eng_id = stream->link->eng_id;
- add_link_enc_assignment(state, stream, eng_id);
- }
+ eng_id = stream->link->eng_id;
+ add_link_enc_assignment(state, stream, eng_id);
}
/* (b) Retain previous assignments for mappable endpoints if encoders still available. */
@@ -325,11 +327,12 @@ void link_enc_cfg_link_encs_assign(
for (i = 0; i < stream_count; i++) {
struct dc_stream_state *stream = state->streams[i];
- /* Skip stream if not supported by DIG link encoder. */
- if (!is_dig_link_enc_stream(stream))
+ /* Skip it if the link is NOT mappable endpoint. */
+ if (!stream->link->is_dig_mapping_flexible)
continue;
- if (!stream->link->is_dig_mapping_flexible)
+ /* Skip stream if not supported by DIG link encoder. */
+ if (!is_dig_link_enc_stream(stream))
continue;
for (j = 0; j < prev_state->stream_count; j++) {
@@ -338,6 +341,7 @@ void link_enc_cfg_link_encs_assign(
if (stream == prev_stream && stream->link == prev_stream->link &&
prev_state->res_ctx.link_enc_cfg_ctx.link_enc_assignments[j].valid) {
eng_id = prev_state->res_ctx.link_enc_cfg_ctx.link_enc_assignments[j].eng_id;
+
if (is_avail_link_enc(state, eng_id, stream))
add_link_enc_assignment(state, stream, eng_id);
}
@@ -350,6 +354,15 @@ void link_enc_cfg_link_encs_assign(
for (i = 0; i < stream_count; i++) {
struct dc_stream_state *stream = streams[i];
+ struct link_encoder *link_enc = NULL;
+
+ /* Skip it if the link is NOT mappable endpoint. */
+ if (!stream->link->is_dig_mapping_flexible)
+ continue;
+
+ /* Skip if encoder assignment retained in step (b) above. */
+ if (stream->link_enc)
+ continue;
/* Skip stream if not supported by DIG link encoder. */
if (!is_dig_link_enc_stream(stream)) {
@@ -358,24 +371,18 @@ void link_enc_cfg_link_encs_assign(
}
/* Mappable endpoints have a flexible mapping to DIG link encoders. */
- if (stream->link->is_dig_mapping_flexible) {
- struct link_encoder *link_enc = NULL;
- /* Skip if encoder assignment retained in step (b) above. */
- if (stream->link_enc)
- continue;
+ /* For MST, multiple streams will share the same link / display
+ * endpoint. These streams should use the same link encoder
+ * assigned to that endpoint.
+ */
+ link_enc = get_link_enc_used_by_link(state, stream->link);
+ if (link_enc == NULL)
+ eng_id = find_first_avail_link_enc(stream->ctx, state);
+ else
+ eng_id = link_enc->preferred_engine;
- /* For MST, multiple streams will share the same link / display
- * endpoint. These streams should use the same link encoder
- * assigned to that endpoint.
- */
- link_enc = get_link_enc_used_by_link(state, stream->link);
- if (link_enc == NULL)
- eng_id = find_first_avail_link_enc(stream->ctx, state);
- else
- eng_id = link_enc->preferred_engine;
- add_link_enc_assignment(state, stream, eng_id);
- }
+ add_link_enc_assignment(state, stream, eng_id);
}
link_enc_cfg_validate(dc, state);
@@ -420,10 +427,6 @@ void link_enc_cfg_link_enc_unassign(
{
enum engine_id eng_id = ENGINE_ID_UNKNOWN;
- /* Only DIG link encoders. */
- if (!is_dig_link_enc_stream(stream))
- return;
-
if (stream->link_enc)
eng_id = stream->link_enc->preferred_engine;